1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2008 Laurent Aimar
7 * Author: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
35 #include <vlc_stream.h>
36 #include <vlc_input.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close( vlc_object_t * );
47 set_category( CAT_INPUT )
48 set_subcategory( SUBCAT_INPUT_STREAM_FILTER )
49 set_description( N_("Internal stream record") )
50 set_capability( "stream_filter", 0 )
51 set_callbacks( Open, Close )
54 /*****************************************************************************
56 *****************************************************************************/
59 FILE *f; /* TODO it could be replaced by access_output_t one day */
64 /****************************************************************************
66 ****************************************************************************/
67 static int Read ( stream_t *, void *p_read, unsigned int i_read );
68 static int Peek ( stream_t *, const uint8_t **pp_peek, unsigned int i_peek );
69 static int Control( stream_t *, int i_query, va_list );
71 static int Start ( stream_t *, const char *psz_extension );
72 static int Stop ( stream_t * );
73 static void Write ( stream_t *, const uint8_t *p_buffer, size_t i_buffer );
75 /****************************************************************************
77 ****************************************************************************/
78 static int Open ( vlc_object_t *p_this )
80 stream_t *s = (stream_t*)p_this;
84 s->p_sys = p_sys = malloc( sizeof( *p_sys ) );
93 s->pf_control = Control;
94 stream_FilterSetDefaultReadDir( s );
99 /****************************************************************************
101 ****************************************************************************/
102 static void Close( vlc_object_t *p_this )
104 stream_t *s = (stream_t*)p_this;
105 stream_sys_t *p_sys = s->p_sys;
113 /****************************************************************************
114 * Stream filters functions
115 ****************************************************************************/
116 static int Read( stream_t *s, void *p_read, unsigned int i_read )
118 stream_sys_t *p_sys = s->p_sys;
119 void *p_record = p_read;
121 /* Allocate a temporary buffer for record when no p_read */
122 if( p_sys->f && !p_record )
123 p_record = malloc( i_read );
126 const int i_record = stream_Read( s->p_source, p_record, i_read );
131 if( p_record && i_record > 0 )
132 Write( s, p_record, i_record );
140 static int Peek( stream_t *s, const uint8_t **pp_peek, unsigned int i_peek )
142 return stream_Peek( s->p_source, pp_peek, i_peek );
145 static int Control( stream_t *s, int i_query, va_list args )
147 if( i_query != STREAM_SET_RECORD_STATE )
148 return stream_vaControl( s->p_source, i_query, args );
150 bool b_active = (bool)va_arg( args, int );
151 const char *psz_extension = NULL;
153 psz_extension = (const char*)va_arg( args, const char* );
155 if( !s->p_sys->f == !b_active )
159 return Start( s, psz_extension );
164 /****************************************************************************
166 ****************************************************************************/
167 static int Start( stream_t *s, const char *psz_extension )
169 stream_sys_t *p_sys = s->p_sys;
176 psz_extension = "dat";
179 char *psz_path = var_CreateGetNonEmptyString( s, "input-record-path" );
181 psz_path = config_GetUserDir( VLC_DOWNLOAD_DIR );
187 * TODO allow prefix configuration */
188 psz_file = input_CreateFilename( s->p_input, psz_path, INPUT_RECORD_PREFIX, psz_extension );
195 f = vlc_fopen( psz_file, "wb" );
202 /* signal new record file */
203 var_SetString( s->p_libvlc, "record-file", psz_file );
205 msg_Dbg( s, "Recording into %s", psz_file );
210 p_sys->b_error = false;
213 static int Stop( stream_t *s )
215 stream_sys_t *p_sys = s->p_sys;
219 msg_Dbg( s, "Recording completed" );
225 static void Write( stream_t *s, const uint8_t *p_buffer, size_t i_buffer )
227 stream_sys_t *p_sys = s->p_sys;
233 const bool b_previous_error = p_sys->b_error;
234 const size_t i_written = fwrite( p_buffer, 1, i_buffer, p_sys->f );
236 p_sys->b_error = i_written != i_buffer;
238 /* TODO maybe a intf_UserError or something like that ? */
239 if( p_sys->b_error && !b_previous_error )
240 msg_Err( s, "Failed to record data (begin)" );
241 else if( !p_sys->b_error && b_previous_error )
242 msg_Err( s, "Failed to record data (end)" );